Telephonic communications – Special services – Service trigger
Reexamination Certificate
2005-04-26
2005-04-26
Deane, Jr., William J. (Department: 2642)
Telephonic communications
Special services
Service trigger
C379S202010
Reexamination Certificate
active
06885740
ABSTRACT:
A local conferencing exchange subscriber line conferencing method using a series of input signals from the phone of a subscriber, such as a dual-tone multifrequency (DTMF) sequence of key inputs starting with a star key input, to initiate the conference by enabling a termination attempt trigger. The conference is set up in a bridge and the phone of the subscriber is connected to the bridge. All subsequent callers to the subscriber's phone number at the local exchange carrier are routed and connected to the conference at the bridge. When the conference call ends, the subscriber's phone is returned to normal service.
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Adams Jeffrey C.
Baxley Warren Edward
Ernstrom William Paul
Gellatly Anna Lea
Yackey Thomas Edward
Deane, Jr. William J.
Polycom, Inc.
Wong Cabello Lutsch Rutherford & Brucculeri LLP
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